L.\ ,, ,{ l-Lrst' gr 3I{:s-IcAI- ggNSrANrs

Universai gravitational constant

r\cceleration due to gravir.v

Radius of the Earth

h{ass of lhe Earth-t

Mass of the Moon

I Atrncsphere

Boltsmann's constalrt

Density of water

Specific heat capacitY of water

Specitrc latent beat off,rsion of ice

Speclfic latent heat of vaporization of waler

Avogadrr:'s nrlmber

Molar gas constant

Stefa!-Boltzmant cofl slffi t

Speed of iight in vacuufil

(,

c

RE

ME

idM

P.trn

k

NA

R

""

6.6f x 10-1i N mr kg':

9"81 m s-2

6380 km

5-98 x t0:{ kg?.35 x l0?2 kg

i"l$xl05Nn-ll-38x10-?3JK-t

I C0 x 103 kgrn-3

4200 J kg'1 K-t

3.3+xidJkg-t

?.?6x106Jkgt

6-02 v- 1C3 per mole

8.31 J Kr rr:o1'1

5-67 x lo-8 W m-2 K'a

3"0x103ms-l

GO ON r{) THE NL.X-I I1\I .I

--l

Wlrtirlr 5.1. unit could be used to express thetrilwrr \)l-u light buib?

lA l kg mr s'l{Fr kg m'r 5 lIt') kg m: s-r(llt kgt-'

iiem 2 refers to rhe follrr* .,.-

II

Coplanar iorces with magnitudqs? N,24Nand Xare ineQuilibrium- What is&evalueofX?

t7N24N25NilN

2_

tA)(Bi(c)(D)

3. Which of the foliowing graphs applies tc a[ndy in motion butwithzeroacceleration?

x/m

6V

{A)'.8)(ci(lJ)

,{ bodv c.fconstiint mass rviii have unirlr racceleration if the resu ilant fbrce actine on it

'\ btrtil of ?.5

10

Two parallel forces act on a rigid body asslrown in the diagram apove. 'lhe size ofthetorqr.ie on the body by these forces is

iAi Fd(E) Fxtc) 2FdtD)

A parachutist af mass 80 kg descendsverrically at a cottstanr velocity of3-0 m s-r, What is the resultant downwardforce acting on her?

(A) 800N{B) 56i}N(c) 240'l{(D) 0N

l:

/t\/ \,.A-A stone is throrvn lroqr A'ro D. Tlre stonefollov;s a parairoiic pat! such that the highestpointreached is B. C is a porntjust before itlands ar D"

The verticai cornponent ofacce{eration ofthestone is

{A) the least at B.t;B) the same at C and B{C) maxirnunr atA{D} greatest at D

A slingshot is a chiid's toy &at conve*s thestrain energy of the stretched materia! intothe moving energy c.ftre propelled objtcr Aboy pullson hissiings'hotwith a forceof2tlNand it extends by 7 cm. At what velocitvdoes the 20 g stone flY ofil

IJ

11"

iA) 8.4 rn s'l{B) 70ms'(C) i6.7 m sr(D) ?.6 m s'r*.'rs /1-,,'i,., '

\-t11 ,\, \. i

tr-

!5l{ Th true value of a quanriry is x" Thisquantit-v is measured a iarge number oftimesand the number n. of particularvalues ofx. is*l-*^J^-:--.-.lJ.ves dtalt A.

Which grqph below represenls measurenrenlsofpoor accuracy but high precision?

{A)

Tiro sph*res. one olrnass nr and the other olil

rnass:t are moving towards each orher w ith

velociry'. v

1----.-,Gr '-m\I i (':l\

-' \.",/"lhe spheres have an ela.-"tir: collision. Whichone ofthe foilo'* ing statemcnts is correct?

{A) The totai kinetic encrgy atter impactis |imvr.

tB) the spheres srick together on impact.(Ci The toralkinetic energy atter irnpact

is zero,,

iD) Themagninrdecfihetdalmomentumbef'ore impact is r7rmv.

ileni 16 refbr: to the following graph showinEtwo oscillations.

Sisplaeernent

What is ths phase difterence between theoscillations?

{A) tt rad(B) nt+ rad({') !"o n rad{D) ntz rad

(F)

16.

{D)

'x

item l7 iefers lo the vibrator belc.t whichprodrrces stationarl. waves on a strelchedcable.

the ftequency ofihe vibrcror is 50 Hz Wharrs the speed ofthe wave?

{A) 250 m rt{F) 500 m s-t{C.! 75Om s-r{!rl 330 rn s-t\\&ich of dre foilowing observations indicaresthat s{rund waves are longitudinal?

tA) Sound waves are diffractedaround. corners-(E) Sound waves carmot be prlarised"

iC) Sound waves obey the laws ofreflection.(D) Sound waves are refuacted as rhcypass f,rom cool airta warrn air.

For a particle oscillating with simplehannonic rnotiqn in a vertical pla.re, which ofthe following statements is NOTtrue?

{A} The velocity of the particle ismiminurn at the centre ofmotio(rofthe particle.(Ei The total energy is condanr-{C} 'llre acceleration of,the particle isdirected towards a fi xed point.{f}) }he restoring force is maximum at

' the extremities of the rnotion.

A. Young-s double-siit expcr r,..-pertbrmd wirh white light incident on thecli:- -T.ha1i*ri.;-1-+ i::-*^

-4^-iL, -irrc !vrrudimax'mum isa

(A) , green tnnie(B) orange fringe(Cj whiie fringe(D) blue ilinge-Which of t-he fbllswing can cofrecrthecondition knor-r,n as lolg sight?

{A) Plan+concave lens{S) Cylindrical lens{Ci Divergingnnrriscuslens{Di Convergingmeniscuslens

Ti":

t

-!

\ panicie sscillat*; so Lhal its drsp{acemcnts iicn'r a fixcrl noirit is reiated to tinle t by thjquai;on

r = lqin5'rt

lf x is measured in cm and t is mcasured ilt s'rve can deduce that thc Psrticie

!. moveswrdr Simple Harrnonic Motionll" irasa f'requencYo{2"5 IIzlll. has an amPlitude of I 5 irtr

tAl I and ll onlY{t}i I, lt and ItI{f} it and lll onlY '(Di itloflly

A rrencir.rlum swings fteely with a period ofi.bs on the earth's surface whereecceiciar.i'-rr tlue to gravity is g- If thependultm were to swing in anctier ptacei'here bcceleration rlue to gravit-v is t'' what'.vixrid be the value of its new period?

r-;-1,-') 4gt8(Bi ^tr\ r

(c) s/s'(D) {tcWhich c}f the following statements itreTRU F, about resoaance?

I. It occu$ atthe highest fieqtency ofthe oscillating sYstem'

II " lt causcsasignificant increase inthearnPlitude of oscillatiort'

i ll It cccurs when the driver f-requencyis close to the rratural lreqrrency of*ie oscillating sYstem'

(A) i and II onlY(li) l. ll and lll((l) i rurd lIIonlY(lly tl and lll onlY

)(-, is a remperature filliasur1ll::: \ -a subsmnce" X" and X,o, rvere determinedat the ice poin'i and steam point' TheIcfr r\Fr.r q ra ln'rhe'::nI i-::':d* :Cll;' i l: :C hcorresponds to ;: ralue X. is given b1

A_ '11-'':- 11gq

Which ol the lbtlorv;ng graphs BFS-ftlescribes the relaticnship between 0" andxr:?

Bx

iA)

*'-..-+xr

o.ftB)

t/n!:_0

i/t,,i/l,/\/l_l -- >o 'rt

JI

4'

lr)

(c)

x

(r)t

\.

I

oXr

xr

.1 (rlf A spherical biackbcdy ofsurtlce arca A. 's

al.u absolute iemperatuie 1 ,. lt is suspendedai lhe centre oia container,*\,hose rvails areat ternperatur T1.

f he NET rate of loss of heat bv 'radiationttom the body:s given by

(A) P *o AT,'(Bl P=oAT.+(.Ct P:oA(T.-1',)*(tJ) -cP:c AiT,'-T.t)

What is the unit of heat capaciry?

(A) J kg"t |d-t(13) I ks"'tq .i K-'(D)

.i

I 6 x lO-rm-; of a gas at a press$re of 1750k-Fa is contained in a cylinder. The gas isexpanded at constant p.essure until thvolume becomes 140 x l0jmr. How mtrchr.vrrrk ;s done by,,hc ga-s?

(A) ?i7kl "(B) 245w(c) 273kJ(D) 317kJ

An adult at rest has a blood pressure ofi 30/85" This is rneasured in mm ofmercury"What would this reacling he in Pa? (llensity.ofmercury = lli600 kg mr.)(A) (tr.73i I :-:)x iff{B) 11.73l l.i_l}x lS{C} (i"73/ l.l3j r; 10"{r)) (i 73i l.l3}x i0i

diantund

5'1 A doublc luycr glass wrtll ha:; rr layer ol ulrt,rappcrl bclwcert it tus shown irt thc tliagrrrnrbeltlu:

-*-;>(ilass

Which filtithr)d of lrcat transfr:r isSICNIiTICAIII'I-Y redrr

\38 Which offie fsilo"ving isNOT an aa5umption

used in *re Kinetic Theory of gases?

iA) The volume of the rnolecules isnedigrble.

{ts) The atuaction between ihemolecu{es is negligibie.(C) I'he molecules accelerate betwncollisions.(D) I'he duration of collision betweenmolecules is negligibte.

-a _

39- In which ofthe {ollowing graphs does theshaded area show dre energy lcst during theloading and unloading prccess ofa polymericrnateriai?

The averaEle kinelic enere-,. ,

sample ofargon gas is 8 r* lii','J. whur," ,.temperarure of the ger-r?

(A) il3 K{E3) 386 K(c) 597 K(D) '870 K

P4\lu*t\!L____-__._...*Y-

The above P-V diagrams represent ideal gascyctes. Which pair of diagrams corres5nndstoNET work being done by the gar;'l

{A) I anct l} onlyiB) t anci iV onlytC) lt arrd lll only(D) II and iV only

4l

rB)

FAI {,(A) IlrI4Lf-.

12

('aiculate the volume cccupied by one atomot'copper if.it has a nrolar mass of0.0635 kgantl a density of 8920 kg mi.

t

{,4) l.l8 x l0!t nrr i{tJi 7. l2 x [0{'rn](C) 2.33 x l0't nr)(D) q.4 1 x-10'r: nrl

'['he diagram above shows a U-tubecontaining two immiscible liquids, Whichststement aboui the arraflgemont is TRUg?

(A) The kerosene exerts a Brealorpressure at X than;tthe pre$sureexerted by the water at Y,(B) 'l'he lvater exerts a greatr pres$ureat Y than the pressure exerted bytlie water at X,

i(') 'Ihe pressure at X and Y is eqtral to0tm ospheric pre$sLrr,

tD) 'l'he,pressure at X is equal to ihepressure at Y.

An all,ry is made of a mixture ofhlo mt6ls'Metql A has a density of 8900 lcg m"r andMetai B has a density of 7S00 kg mi' Whatis the dcnsity of the alloy if Metal A has threetimcs the volume o{'Metal B?

(A) 8350 kg rnrJ(ll) 8625 kg rn'r(C) [i075 kg rn1(n) 7950 kg, m '

A spring with spring constant t, hns rrtextension x, when a rnass rr, is aftached to itAnother spring identicai to the first is hungparallel to the fust and th.e same mass m ishung across hoth. Which option gives thecorrect vaiues of extensioll and spfillgmnstant ofthe combination?

d4.

;l -1

Kerssene

[ -I-*-"-rt"; i sp".ts ""*,*tlt-*--l_---_+*- _.--- -ii'^'l il2 | " i

l,u, I xt2 I to Iltcrl 2x | ,, I1,"1 "- l--1--l

IF VOTI T'INI$II IIIFOIT{, TIME IS CAI.I,ED, CT{TCK YOTIR \A/ORK ON TT{IS NST'

():,, I ill() ltr( ':1(x)/